Automatic pet feeder



FIG. 1 is a front elevational view of an automatic pet feeder showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof, the broken lines are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for an automatic pet feeder, as shown and described. 